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Jacumba milkvetch

Scientific Name: Astragalus douglasii var. douglasii

Family: Fabaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Jacumba Milkvetch (Astragalus douglasii var. perstrictus)

Astragalus douglasii var. perstrictus, commonly known as Jacumba milkvetch, is a variety of milkvetch found in specific regions. It is also referred to as Douglas' milkvetch. This plant belongs to the broader Astragalus douglasii species.

Taxonomy and Nomenclature

  • Scientific Name: Astragalus douglasii (Torrey & A. Gray) A. Gray var. perstrictus (Rydb.) Munz & McBurney
  • Family: Fabaceae (Pea or Legume Family)
  • Synonym: Astragalus douglasii var. megalophysus (Rydb.) Munz & McBurney
  • Alternative Scientific Name: Phaca douglasii Torr. & A. Gray

Distribution and Habitat

  • Jacumba milkvetch is a rare variety limited to San Diego County.
  • It is found in the desert transition areas of Southern California.
  • Specific habitats include chaparral, foothill woodland, and valley grassland.
  • It has been observed in the Anza Borrego Desert State Park’s Jacumba Mountain Wilderness.

Morphological Characteristics

  • Jacumba milkvetch is a forb/herb.
  • It is a perennial plant.

Additional Information

  • The USDA-NRCS PLANTS Database contains photos of Astragalus douglasii.

Resources

  • BISON Web Link: http://bison.usgs.ornl.gov/api/scientificName/Astragalus%20douglasii%20perstrictus
  • ITIS Web Link
  • Dave's Garden: A community for sharing gardening tips and ideas.